paige



I. A. PAIGE.

TROLLEY.

APPLICATION FILED APR. 17. 1916.

Patented'Aug. 22, 1916.

2 SHEETS-SHEET 2.

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s rarnnr onniono JEREMIAH A. PAIGE, OF BOSTON, MASSAGHUSETTS, ASSIGNOR TO WILLIAM F. MOOERS, OF MITON, MASSACHUSETTS.

TROLLEY.

Specficaton of Letters Patent.

Pateiited Aug. 22, 1916.

To all 'whom t may concem:

Be it known that I, JnnnMiAi-i A. PAIGE, a citizen of the United States, residing at Boston, in the county of Suifolk and State of Massachusetts, have invented certain new and useful Improvements in Trolleys; and I do declare tlie following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention 'relates to improvements 111 trolleys for street cars and the like, and the object is to 'provide a simply constructed trolley harp of improved construction which is provided with means adapted to normally keep the trolley wheel in the plane o f the axis of the pole, but adapted to permit the harp to oscillate to a limited extent when the car is moving around curvesz With this general object in view, my mvention resides in the novel features of construction, combination and arrangement of parts which will hereinafter be more particularly described and claimed. i

In the accompanying drawings: Figu're 1 is a side elevation of my iinproved trolley; Fig. 2 is a central Vertical longitudinal section; Fig. 3 is a Vertical section on the line 3-3 of Fig. 2; Figs. 4 and 5 are horizontal Sections taken respectively on the planes of the lines 4-4 and 5-5 of Fig. 2; Fig. 6 is a view similar to Fig. 5, but' showing the parts in slightly different positions; Fig. 7 1s a Vertical section on the line 7-7 of Fig. 2; Fig. 8 is a perspective view of the U-shaped brace detached; and, Fig. 9 is a .detail perspective view of the lower portion of the trolley harp.

Referring inore particularly to the drawings it will be seen that the nuineral 1 designates the hollow upper end of a trolley pole in which a shank 2 eXtends from the head 3 of my improved trolley, the shank being secured in the pole by any preferred means. The shank 2 is formed directly with a casting having a depending arm 4 and an upwardly extending guard portion 5 which will hereinafter be more particularly described. A casing` 6 ,which forms a portion of the head 3 is secured to the lower end of the arm 4 by means of the angular brace members 4', rivets 7 or the like being used to secure the braces thereto. The upright wall 6' of the casing 6 is formed by bending a single strip of metal into circular formation as shown in Fig. 5, the free ends of the strip being extended radially as shown at 8, these ends 8 being in contact with each other and disposed in a slot 9 in' the end of the arin 4. The rivets 7 which extend through the brace members 4' and the arin 4, also eXtend through the end 8 of the strip of metal which forms the wall of the casing 6z The bottom of the casing is formed by a clrcular plate 10 which is secured thereto by any preferred means and has a cylindrical bearing 11 depending from the center thereof. The upper end of this cylindrical bearing is secured in said plate 10 while its other end is supported by a U-shaped brace 12 whose free ends are secured to the inner side of the upright wall 6' of lthe casing 6. lVithin the bearing .11 a shaft 13 is rotatably inounted and has a trolley harp 14 fixed to its upper end, a wheel 15 being 'disposed within the arms 16 of said harp. The harp also includes a base plate 18 which fornisa cover for the casing 6. The intermediate portions of said shaft are flattened as shown at 19 on opposite sides, and the base plate of the harp is provided witli an elongated opening to receive the free end of the fiattened portion of the shaft 13, so that said harp will rotate therewith.V Theharp is securely clamped to said shaft by means of a nut 20 which is threaded upon the eXtreme upper end of the shaft 13` By providing a. trolley harp which is pivotally mounted upon a head secured to the'end of the trolley pole, the trolley wheel is permitted to readily follow the wire around very sharp curves without danger of its leaving the same. In order, liowever, to quickly return the liarp with its wheel to its normal position in the plane occupied by the trolle f pole, spring means are provided within the casing G. As hereinbefore mentioned, the free ends of the arms ,of the U-shaped brace 12 are connected to the inner side of the wall G' of the casing, but before so securng them, they are bent upon themselves as shown at 21 in Fig. 8. This arrangeinent provides a very strong brace and also permits the same to be used as support for holding the leaf springs 22 which actuate the trolley harp through the rotatable shaft 13. The ends of these leaf springs are disposed in slots 23 forined in the bent. over portions 21 of the brace 12.

Although I have shown but a single pair of springs secured to one side of the casing, i

it is obvious that an additional pair may be secured to the opposite side in a like manner, or one secured to each side. Vhatever arrangement is used for mounting the Springs, one is disposed on each side of the shaft 13 and adapted to coact with the fiattened portion 19. In order to increase the contact surface which is engaged by the springs 22, a finger 24 in the form of a U-shaped piece 1s secured by its arms to the shaft 13 as shown in Fig. 5. The Springs 22 are formed o f several very thin leaves not only to facihtate their insertion into the slots 23, but to also allow the shaft to be operated with greater smoothness.

In addition to providing springs for returning the harp to its normal position, it is also expedient to provide stops to limit the rotation of the shaft 13 in either direction. This is accomplished in a very simple manner by securing a fiat plate 25 of a length slightly less than the diameter of the casing 6 to the shaft 13 below the Springs 22, which, when the shaft is rotated, abuts the portions 21 of the brace 12. One edge of the plate 25 comes in contact with one of the portions 21, while the opposite edge engages the other, so that the rotation of the shaft is positively limited.

From the foregoing description it will be seen that the ends of the brace 12 which supports the cylindrical bearing 11 not only serve as supports for holding the Springs 22, but also form stops to coperate with the moving plate 25 to limit the rotation of the shaft 13.

It is obvious that this simply constructed trolley will be much Superior to the usual devices of this character now on the market, and that because of its strong construction, will seldom get out of order. After it has been secured to the end of the trolley pole, and the trolley wheel engaged 4with the Wire, the same will readily follow the wire around practically any curve without jumping therefrom, and the harp being moved against the tension of the springs 22 will be effectively returned to its normal position by said springs when the car starts to run a straight track. I-Iowever, should the wheel leave the trolley wirel for any reason, the guard 5 will prevent any cross or guy wires from catching beneath the wheel 15 and thus injuring the device, it being evident that such cross wires Will be conducted by the guard over the top of the trolley wheel.

I claim:

1. In a trolley, a head to be secured to the end of a pole, a shaft rising therefrom and rotatably mounted therein, a harp keyed to said shaft, a trolley Wheel in said harp, and leaf Springs disposed on opposite sides of said shaft and secured by one end to said head, the opposite sides of said shaft being fiattened and engaged by said Springs.

2. In a trolley, a head to be secured to the end of a pole, a shaft rising therefrom 1 and rotatably mounted therein, a harp keyed to said shaft, a trolley wheel in saidV harp, a finger formed of a U-shaped membersecured by its arms to said shaft, and leaf sprngs disposed on opposite sides of said shaft and secured by one end to said head,

said springs engaging said finger to return said harp to its normal position after'being i rotated. V

3. In atrolley, a head to be secured to the end of a pole, a shaft rising therefrom and rotatably mounted therein, the opposite sides of said shaft being flat, a finger extending from the shaft and having its sides secured to said fiattened portions, a harp keyed to said shaft, a wheel in said harp, leaf springs disposed on opposite sides of said shaft and secured by one endto said head, said Springs contacting with said finger, a stop, and a plate fixed to the shaft and adapted'to contact with said stop to limit the rotation of said harp.

4. The combination with a trolley pole; of an arm ezrtending` therefrom, a casing having its upright wall formed from a single strip of metal bent into circular form and having its ends extended radially therefrom and secured to said arm, a bottom for said casing, a rotatably mounted trolley harpl comprising a base plate forming a. cover for said casing, and a pair of arms, a' wheel between said arms, and means within said casing to return said harp to its normal position after being rotated.

5. The combination with a trolley pole; of an arm extending therefrom, a casing having its upright wall formed from a single strip of metal bent into circular'form and having its ends extended radially therefrom and secured to said arm, a bottomfor said casing, a rotatably mounted trolley harp comprising a base plate forming a cover for said casing, and a pair of arms, a wheel between said arms, and angle braces secured toV the opposite sides of the upright wall of said casing by one end and by'their opposite ends to said arm. i

6. In a trolley, an arm to be secured to the end of a pole, a casing carried by said arm, a bottom for said casing, abearing formed in said bottom, a brace for supporting said bearing secured by its opposite ends to the wall of' said casing, a shaft rotatably mounted in said bearing','a trolley harp fixed to said shaft, a Wheel rotatably mounted *in said harp, and means within said casing to return said harp to its normal position afterv being rotated. t V

7. In a trolley, an arm to be secured to the end of a pole, a casing carried by said arm, a bottom for said casing, a bearing formed in said bottom, a brace for supporting said bearing secured by its opposite ends to the Wall of said casing, a shaft rotatably mounted in said bearing, a trolley harp fixed to said shaft and comprising a base plate forming a cover for said casing, and a pair of arms, a wheel rotatably mounted between said arms, and means Within said casing to return said harp to normal position after being rotated. I

8. In a trolley, an arm to be secured to the end of a pole, a casing carried by said arm, a bottom for said casing, a bearing formed in said bottom, a. brace for supporting said bearing, a shaft rotatably mounted in said bearing, a trolley harp fiXed to said shaft, a Wheel rotatably mounted in said harp, a pair of springs secured to the Walls of said casing and disposed one on each side of said shaft and contacting thereWith to return the same to its normal position after being rotated, the opposite sides of said shaft being flattened.

9. In a trolley, an arm to be secured to the end of a pole, a casing carried by said arm, a bottom for said casing, a bearing formed in said bottom, a brace for supporting said bearing secured by its opposite ends to the Wall of said casing, a shaft rotatably mounted in said bearing, a trolley harp fixed to said shaft and comprising a base plate forming a cover for said casing, and a pair-of arms, a Wheel rotatably mounted between said arms, and springs secured to one end of said brace, one of said Springs being disposed on each side of said shaft and contacting therewith.

10. In a trolley, an arm to be secured to the end of a pole, a casing carried by said arm, a bottom for said casing a. bearing formed in said bottom, a shaft rotatably mounted in said bearing, a brace for supporting said bearing, the opposite ends of said brace being bent upon themselves and secured to the Wall of said casing, one of said bent over portions being slotted, Springs disposed in said slots and extended one on each side of said shaft, said Springs contacting With said shaft to return the same to its normal position after being rotated, a trolley harp fixed to said shaft, and a Wheel rotatably mounted in said harp.

11. In a trolley, an arin to be secured to the end of a pole, a casing carried by said arm, a bottom for said casing, a bearing formed in said bottom, a brace for supporting said bearing secured by its opposite ends to the Wall of said casing, a shaft rotatably mounted in said bearing, a trolley harp fixed to said shaft and comprising a base plate forming a cover for said casing, and a pair of arms, a wheel rotatably mounted between said arms, and an arm fixed to said shaft and adapted to contact With the ends of said brace to limit the rotation thereof in either direction.

12. In a trolley, an arm to be secured to the end of a pole, a casing carried by said arm, a bottom for said casing, a bearing formed in said bottom, a shaft rotatably mounted in said bearing, a brace for supporting said bearing secured by its opposite ends to the Wall of said casing, one of said ends being slotted, Springs disposed in said slotted end and extended one on each side of said shaft to return the same to its normal position after being rotated, an arm fixed to said shaft and adapted to contact With the ends of said brace to limit the rotation of said shaft in either direction, a trolley harp fixed to said shaft, and a Wheel rotatably mounted in said harp.

In testimony Whereof I have hereunto set my hand in presence of two subscribing Witnesses.

JEREMIAH A. PAIGE.

VVitnesses:

J. J osnrn CARRAHER, VVILLIAM F. Moonns.

Gopies of this patent may be obtained for five cents each, by addressing the Commissioner of Patenta, Washington, D. 0. 

